gistfile1.txt

function getCharacterItemLevel(name, server) {
  var data = JSON.parse(getArmoryData(name, server));
  
  return data.items.averageItemLevel;
}

function getArmoryData(name, server) {
  var access_token = authorizeClient("[RADICATED]","[RADICATED]");
  
  var response = UrlFetchApp.fetch("https://us.api.blizzard.com/wow/character/"+server+"/"+name+"?fields=items&locale=en_US&access_token="+access_token);
  var data = JSON.parse(response.getContentText());
  
  return response.getContentText();
  
}

function authorizeClient(client_id, client_secret) {
  var url = "https://us.battle.net/oauth/token?";
  var payload =
      {
        "client_id" : client_id,
        "client_secret" : client_secret,
        "grant_type" : "client_credentials",
      };
  var options =
      {
        "method"  : "GET",
        "payload" : payload,   
        "followRedirects" : true,
        "muteHttpExceptions": true
      };
  var result = UrlFetchApp.fetch(url, options);
  if (result.getResponseCode() == 200) {
    
    var params = JSON.parse(result.getContentText());
    
    return params.access_token;
    
  } else {
    Logger.log(result);
    return;
  }
  
}